Methods in Determining Track Alignment and Geometry

What do you call the perpendicular measurement from the gauge face of the track to a 10- or 20-meter string stretched along the curve?

• Median Ordinate

• Versine

• Tangent

• Cosine

If you will be measuring a vertical irregularities on a curved track section, which among the following will you use as datum rail?

• 
• 
• 
• 

What refers to the horizontal misplacement of any rails from its designed alignment?

• Vertical Irregularities

• Track Twist

• Cant Irregularities

• Lateral Irregularities

Which among the following tools/devices are able to measure track gauge and cant?

• Combination Track Gauge Measuring Device

• Three Point Bar

• Track Trolley

• Tape Measure

Which among the following is not considered as a cause of track alignment irregularities?

• Trains following the speed limit

• Poor rail adjustment

• Rail bunching locations

• Local track disturbances

If you are using a measuring tape, at which rough distance from the top of the rail should you measure the track gauge?

• 18 mm

• 16 mm

• 14 mm

• 12 mm

As your team were performing the three-point bar method to measure the longitudinal rail level of a certain portion of the tracks, the team gathered a value of 27.5 mm. What is the actual longitudinal rail level irregularity?

• The rail raised by 8.5 mm

• The rail raised by 7.5 mm

• The rail has lowered by 7.5 mm

• The rail has lowered by 8.5 mm

Evaluate the statement: The gauge measuring device used for measuring gauge in turnouts can also be used to measure gauge in tangent tracks.

• Always true

• Sometimes true

• Always False

What do you call the tool shown?

• Versine Measuring Kit

• Gauge Measuring Tool

• Rail Wear Gauge

• Three-point Bar

What do you call the distance from the top of the rail to a permanent survey mark?

• Line

• Rail Level

• Cant

• Alignment